Mathematics
Grade10
Easy

Question

What is the discriminant value of the equation x to the power of 2 end exponent plus 3 x plus 5 equals 0 ?

  1. -11    
  2. 1    
  3. 2    
  4. Either 1 or 2.    0

Hint:

Any equation of the form p (x) = 0, where p (x) is a polynomial of degree 2, is a quadratic equation

The correct answer is: -11


    Step 1 of 1:
    We have given an equation x to the power of 2 end exponent plus 3 x plus 5 equals 0
    Now,
    b to the power of 2 end exponent minus 4 a c equals 3 to the power of 2 end exponent minus 4 blank cross times blank 1 blank cross times blank 5
    equals negative 11 less than 0
    The discriminant value is less than zero, so it has no real solution.

    The discriminant is the part of the quadratic formula found within the square root.

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